Base | Representation |
---|---|
bin | 11001110111110000… |
… | …01100000010111101 |
3 | 1022211222112001021211 |
4 | 30323320030002331 |
5 | 211421202041122 |
6 | 10214123524421 |
7 | 1001123456206 |
oct | 147370140275 |
9 | 38758461254 |
10 | 13889487037 |
11 | 5988287208 |
12 | 2837689711 |
13 | 14047571aa |
14 | 95a94a5ad |
15 | 5645a3877 |
hex | 33be0c0bd |
13889487037 has 2 divisors, whose sum is σ = 13889487038. Its totient is φ = 13889487036.
The previous prime is 13889486987. The next prime is 13889487071. The reversal of 13889487037 is 73078498831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10353876516 + 3535610521 = 101754^2 + 59461^2 .
It is a cyclic number.
It is not a de Polignac number, because 13889487037 - 215 = 13889454269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13889487097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944743518 + 6944743519.
It is an arithmetic number, because the mean of its divisors is an integer number (6944743519).
Almost surely, 213889487037 is an apocalyptic number.
It is an amenable number.
13889487037 is a deficient number, since it is larger than the sum of its proper divisors (1).
13889487037 is an equidigital number, since it uses as much as digits as its factorization.
13889487037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8128512, while the sum is 58.
The spelling of 13889487037 in words is "thirteen billion, eight hundred eighty-nine million, four hundred eighty-seven thousand, thirty-seven".
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